50717-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50717-65-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,7,1 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 50717-65:
(7*5)+(6*0)+(5*7)+(4*1)+(3*7)+(2*6)+(1*5)=112
112 % 10 = 2
So 50717-65-2 is a valid CAS Registry Number.